Viessmann AWT 221.A04, Installation And Service Instructions For Contractors

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!
Please note
Impacts, compression and tensile loads can
cause damage to the outside panels of the
appliance.
Never apply loads/weight to the top, front or
side panels of the appliance.
Installation room requirements
!
Please note
Unfavourable ambient conditions can lead to
malfunction and appliance damage.
■ The installation room must be dry and free
from the risk of frost.
■ Ensure ambient temperatures between 0 and
35 °C.
Danger
Dust, gases and vapours can be damaging to
health and cause explosions.
Avoid dust, gases and vapours in the installation
room.
!
Please note
Overloading the floor can result in damage to
the building structure.
Observe the permissible floor load. Take the
total weight of the appliance into account.
Total weight with filled DHW cylinder
Type AWT/AWT-AC
Weight in kg
221.A04 364
221.A05 364
221.A07 364
221.A10 367
221.A13 367
221.B10 367
221.B13 367
221.B16 367
Minimum room volume (to EN 378):
Type AWT/AWT-AC
Minimum room volume in m
3
221.A04 2.7
221.A05 4.9
221.A07 4.9
221.A10 6.1
221.A13 6.1
221.B10 6.1
221.B13 6.1
221.B16 6.1
Installation sequence
Installing the indoor unit
(cont.)
5776 028 GB
Installation